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--- astra_conv:conversion:distribution_boxes:distribution_boxes [2014/05/27 19:11]
richard
+++ astra_conv:conversion:distribution_boxes:distribution_boxes [2014/06/20 12:56] (current)
richard
@@ Line 21: / Line 21: @@
 The ceramic fuses used here are suitable for interrupting high currents at 100V DC (which, by the way, is not the case for 230V AC circuit breakers).
-=== DC/DC converter primary side driver and output relay ===
+=== DC/DC converter primary side driver ===
 The circuit board within the 100V distribution box houses the driver that switches the primary side of the DC/DC converter. It is described in detail in chapter [[astra_conv:conversion:dcdc_converter:dcdc_converter|DC/DC converter]].
@@ Line 74: / Line 74: @@
 === immobilizer relay ===
-The little grey box above the main fuse is a relay that deactivates the motor controller in case the driver's door is opened, the tank lid is open or an isolation fault of the traction circuit against the chassis was detected. The relay is controlled by a circuit located in the rear distribution box, that also drives a warning beeper. This immobilizer function is required by ECE R-100 to e.g. avoid that the car is moved while the charger cable is still connected. See also the similar requirement [[astra_conv:conversion:conversion#sound indicates state of operation|]]. With the current setup, both conditions will trigger both beeper and immobilizer.
+The little grey box above the main fuse is a relay that deactivates the motor controller in case the driver's door is opened, the tank lid is open or an isolation fault of the traction circuit against the chassis was detected.
+These three alarm conditions are collected and relayed by the [[astra_conv:conversion:immobilizer:immobilizer |immobilizer latch]] that is located in the trunk distribution box.
+This immobilizer function is required by ECE R-100 to e.g. avoid that the car is moved while the charger cable is still connected. See also the similar requirement [[astra_conv:conversion:conversion#sound indicates state of operation|]]. With the current setup, both conditions will trigger both beeper and immobilizer.

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